CN111496422A - Welding equipment for outer portal frame of forklift - Google Patents
Welding equipment for outer portal frame of forklift Download PDFInfo
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- CN111496422A CN111496422A CN202010323703.3A CN202010323703A CN111496422A CN 111496422 A CN111496422 A CN 111496422A CN 202010323703 A CN202010323703 A CN 202010323703A CN 111496422 A CN111496422 A CN 111496422A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a welding device for an outer gantry of a forklift, relates to the technical field of production of the outer gantry of the forklift, solves the problem of low welding efficiency of the outer gantry of the forklift, its technical scheme main points are the base that sets up including length direction along outer portal direction of delivery, a plurality of sliding seat that can follow base length direction and slide of setting at the base top, the fixture that is used for carrying out the centre gripping at sliding seat top sets up, the setting is used for driving the base on the base and carries out gliding power unit, a plurality of positioning mechanism of setting on the base, a plurality of and the welding machines hand of positioning mechanism one-to-one set up in base one side, the feed mechanism of setting at the base feed end and the discharge mechanism of setting at the base discharge end, need not the manual work and carry out the transportation of outer portal, make welding operation labour saving and time saving more, and the welding efficiency is improved.
Description
Technical Field
The invention relates to the technical field of production of forklift gantries, in particular to welding equipment for forklift outer gantries.
Background
The forklift is an industrial carrying vehicle, and refers to various wheel type carrying vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, and the outer gantry is an important component of the forklift.
As shown in fig. 1, the outer mast of a forklift includes two mast frames 1, an upper beam 11, a middle beam 12, a lower beam 13, a mast bottom plate 14 and two support plates 15, which are respectively fixedly connected to the two mast frames 1, which are arranged on the mast frames 1; both sides of the two supporting plates 15 close to the upper beam 11 are provided with transverse plates 111, and both ends of the transverse plates are respectively fixedly connected to the upper beam 11 and the supporting plates 15; two bottom plates 131 arranged between the lower beam 13 and the gantry bottom plate 14, and two ends of the bottom plates 131 are respectively and fixedly connected with the lower beam 13 and the gantry bottom plate 14. Bearing seats 132 are fixedly connected to both bottom plates 131. The two portal frame bodies 1 are two channel steels, and the openings of the two portal frame bodies 1 are arranged oppositely.
When carrying out the processing of outer portal, need weld each part spot together earlier, then place the outer portal that spot welding finishes under the welding manipulator of difference in proper order, carry out full welding to the position of spot welding in proper order, because many and the angle of welded position are different, need set up a plurality of welding manipulators and weld in proper order, in the middle of carrying out full welding, need the manual work to carry the outer portal between the supporting platform that the welding manipulator of difference corresponds, and still need carry out artifical location once more after carrying, make welding operation waste time and energy, welding efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the welding equipment for the outer gantry of the forklift, which does not need manual transportation of the outer gantry, so that the welding operation is more time-saving and labor-saving, and the welding efficiency is improved.
In order to achieve the purpose, the invention provides the following technical scheme: a forklift outer gantry welding device comprises a base, a plurality of sliding seats, a clamping mechanism, a power mechanism, a plurality of positioning mechanisms, a plurality of welding manipulators, a feeding mechanism and a discharging mechanism, wherein the base is arranged in the length direction along the conveying direction of an outer gantry, the sliding seats are arranged at the top of the base and can slide along the length direction of the base, the clamping mechanism is arranged at the top of the sliding seats and is used for clamping the outer gantry, the power mechanism is arranged on the base and is used for driving the base to slide, the positioning mechanisms are arranged on the base, the welding manipulators are arranged on one side of the base and correspond to the positioning mechanisms one by one, the feeding mechanism;
the number of the sliding seats is one more than that of the positioning mechanisms, each positioning mechanism comprises two positioning blocks which are fixedly connected to the top of the base and are respectively positioned on two sides of the sliding seat, positioning grooves are formed in the sides, close to the tops of the two positioning blocks, of the tops, the distance between the bottom of each positioning groove and the top of each positioning block is equal to the thickness of the portal frame body, and the positioning grooves penetrate through the positioning blocks in the direction away from the feeding mechanism;
the clamping mechanism comprises a lifting hydraulic cylinder fixedly connected to the top of the sliding seat, a bidirectional hydraulic cylinder fixedly connected to a piston rod of the lifting hydraulic cylinder and two clamping blocks fixedly connected to two piston rods of the bidirectional hydraulic cylinder respectively, the clamping blocks are located on two sides, close to the two positioning blocks, of the bidirectional hydraulic cylinder respectively, the clamping blocks can be inserted into grooves of the two portal frame bodies respectively, and the top and the bottom of each clamping block inserted into the portal frame bodies are in mutual contact with the portal frame bodies.
By adopting the technical scheme, the outer forklift gantry after spot welding is firstly placed on the feeding mechanism, then the sliding seat closest to the feeding mechanism slides into the feeding mechanism, then the lifting hydraulic cylinder drives the bidirectional hydraulic cylinder to move upwards to enable the two positioning blocks to be positioned between the two gantry frame bodies, then under the action of the bidirectional hydraulic cylinder, the two positioning blocks move towards directions which are mutually deviated and are respectively inserted into the grooves of the two gantry frame bodies, the outer forklift gantry is clamped by the two positioning blocks, then the lifting hydraulic cylinder continues to move upwards to drive the outer forklift gantry to move upwards, then the sliding seat slides to a position between the two positioning blocks closest to the feeding mechanism, then the lifting hydraulic cylinder descends to enable the two gantry frame bodies to respectively fall into the two positioning grooves, the outer forklift gantry is positioned by the positioning grooves, and then full welding is carried out by the mechanical arm, after this process full weld finishes, in the feeding, drive fixture by another sliding seat and carry the outer portal of fork truck to next station, treat that all positions full weld finishes after, the sliding seat that is closest to discharge mechanism one end drives fixture and carries the outer portal of fork truck that full weld finishes to discharge mechanism on, a plurality of sliding seats slide simultaneously, thereby make feeding of station, feeding and ejection of compact go on simultaneously, and the station need not the manual work to fix a position once more after feeding, make operation labour saving and time saving, and the welding efficiency is improved.
The invention is further configured to: the positioning mechanism further comprises two vertical plates fixedly connected to the tops of the two positioning blocks, a pressing hydraulic cylinder fixedly connected to one side, away from each other, of the two vertical plates, and two pressing blocks arranged on one side, close to each other, of the two vertical plates, the pressing blocks are used for pressing the portal frame body on the positioning blocks, the two vertical plates are located on one side, away from each other, of the two positioning grooves, the two pressing blocks are respectively and fixedly connected to piston rods of the two pressing hydraulic cylinders, the two pressing blocks can slide along the horizontal direction, and the sliding direction of the pressing blocks is perpendicular to the length direction of the base.
Through adopting above-mentioned technical scheme, when the outer portal of fork truck was carried on two locating pieces and when the card goes into in the middle of the constant head tank, the compact heap orientation on two locating pieces slided that deviates from the direction that compresses tightly the pneumatic cylinder, compresses tightly two portal frameworks on the locating piece through the compact heap to compress tightly the whole on the locating piece of outer portal of fork truck, prevent carrying out the welded in-process, the outer portal of fork truck takes place the offset.
The invention is further configured to: one side that compact heap bottom deviates from the pressure cylinder is provided with the inclined plane, and one side tilt up setting that the inclined plane deviates from the pressure cylinder, when the portal framework was embedded into the constant head tank, the height that highly is higher than the portal framework top at inclined plane top, the height that highly is less than the portal framework top at inclined plane bottom.
Through adopting above-mentioned technical scheme, through setting up the inclined plane for the compact heap orientation deviates from the direction that compresses tightly the pneumatic cylinder and carries out gliding in the middle of, can compress tightly the portal framework on the locating piece through the inclined plane, makes the outer portal of fork truck be difficult to take place to rock in the middle of carrying out the welded process.
The invention is further configured to: the top of each locating piece all is provided with two risers, all is provided with on the riser and compresses tightly pneumatic cylinder and compact heap, and when the portal framework was embedded into in the middle of the constant head tank, two compact heaps of locating piece top were located the both sides of well crossbeam respectively.
Through adopting above-mentioned technical scheme, the top of each locating piece all sets up two compact heap for each portal framework all has two compact heaps to compress tightly when carrying out the welding, and the compact heap is located the both sides of middle cross beam respectively, makes that fork truck outer mast can be more firm compressed tightly on the locating piece, can also prevent that the compact heap from causing the influence to the welding of fork truck outer mast.
The invention is further configured to: feeding mechanism includes two feed plates and sets up the feed table that deviates from positioning mechanism one side at two feed plates, the top of feed table and the top of feed plate and the mutual parallel and level in top of locating piece, the feed chute has been seted up to the one side that two feed plate tops are close to each other, the length direction of feed chute is parallel to each other with the length direction of base, the length of feed chute equals the length of portal framework, be provided with two welts in the middle of the two feed chutes, the top of welt and the mutual parallel and level in top of feed plate, two welts slide along the direction that is close to each other and keeps away from in the middle of the feed chute, one side fixedly connected with that two feed plates deviate from each other is used for driving the wel.
By adopting the technical scheme, the two lining plates slide towards the mutually approaching direction, so that the mutually approaching side of the two lining plates and the mutually approaching side of the two feeding plates are mutually flush; during feeding, the forklift outer portal frame finished in spot welding is placed at the top of the feeding table, then the length direction of the portal frame body is parallel to the length direction of the base, then the forklift outer portal frame body is pushed to slide to the tops of the two lining plates, then the two lining plates slide towards the directions deviating from each other until the two portal frame bodies fall into the two feeding grooves respectively, and then the forklift outer portal frame body is conveyed to the two positioning blocks close to the feeding mechanism through the sliding seat and the clamping mechanism.
The invention is further configured to: the top of the feeding plate is fixedly connected with a limiting block, and one side of the limiting block, which is close to the feeding table, is flush with one side of the feeding groove, which deviates from the feeding table.
Through adopting above-mentioned technical scheme, through setting up the stopper, can be more accurate promote the top of two welts with two portal frameworks.
The invention is further configured to: the discharging mechanism comprises two discharging plates and a collecting box arranged on one side, away from the positioning block, of the two discharging plates, an inclined plane is arranged at the top of each discharging plate, and the inclined plane is arranged on one side, away from the positioning block, of the inclined plane in a downward inclined mode.
Through adopting above-mentioned technical scheme, in the ejection of compact, fixture and sliding seat place the outer portal of fork truck at two play flitch tops, and the outer portal of fork truck slides down along the inclined plane at play flitch top under the effect of self gravity, and the outer portal of fork truck finally the landing is collected in the middle of collecting the case.
The invention is further configured to: the power mechanism comprises two vertical plates fixedly connected to two ends of the top of the base, a screw rod and a power motor, wherein two ends of the screw rod are respectively and rotatably connected to the two vertical plates and penetrate through the sliding seats; the axial direction of the screw rod is parallel to the length direction of the base.
Through adopting above-mentioned technical scheme, through setting up motor power and lead screw, can drive a plurality of sliding seats simultaneously and slide.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the invention firstly places the forklift outer portal frame which is finished by spot welding on a feeding mechanism, then a sliding seat closest to the feeding mechanism slides into the feeding mechanism, then a lifting hydraulic cylinder drives a bidirectional hydraulic cylinder to move upwards to enable two positioning blocks to be positioned between two portal frame bodies, then under the action of the bidirectional hydraulic cylinder, the two positioning blocks move towards directions which are mutually deviated and are respectively inserted into grooves of the two portal frame bodies, the forklift outer portal frame is clamped by the two positioning blocks, then the lifting hydraulic cylinder continues to move upwards to drive the forklift outer portal frame to move upwards, then the sliding seat slides to be positioned between the two positioning blocks closest to the feeding mechanism, then the lifting hydraulic cylinder descends to enable the two portal frame bodies to respectively fall into the two positioning grooves, the forklift outer portal frame bodies are positioned by the positioning grooves, then full welding is carried out by a manipulator, and after the full welding of the process is finished, when feeding is carried out, the other sliding seat drives the clamping mechanism to convey the outer forklift gantry to the next station, after all positions are fully welded, the sliding seat closest to one end of the discharging mechanism drives the clamping mechanism to convey the fully welded outer forklift gantry to the discharging mechanism, and the sliding seats slide simultaneously, so that feeding, feeding and discharging of the stations are carried out simultaneously, manual positioning is not needed again after feeding of the stations, operation is time-saving and labor-saving, and welding efficiency is improved;
2. according to the invention, by arranging the pressing blocks, when the outer forklift mast is conveyed to the two positioning blocks and clamped into the positioning grooves, the pressing blocks on the two positioning blocks slide towards the direction departing from the pressing hydraulic cylinder, and the two mast frame bodies are pressed on the positioning blocks through the pressing blocks, so that the outer forklift mast is integrally pressed on the positioning blocks, and the outer forklift mast is prevented from being subjected to position deviation in the welding process.
Drawings
FIG. 1 is a schematic view of a prior art outer mast for a fork lift truck;
FIG. 2 is a schematic view of the overall structure of the embodiment;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B of FIG. 2;
FIG. 5 is a schematic diagram of an embodiment of a power mechanism;
FIG. 6 is an enlarged view of section D of FIG. 5;
fig. 7 is an enlarged schematic view of the portion C of fig. 2.
In the figure: 1. a portal frame; 11. an upper cross beam; 111. a transverse plate; 12. a middle cross beam; 13. a lower cross beam; 131. a base plate; 132. a bearing seat; 14. a portal base plate; 15. a support plate; 2. a base; 3. a feeding mechanism; 31. a feeding plate; 311. a feed chute; 32. a feeding table; 321. positioning a plate; 33. a liner plate; 34. a feeding hydraulic cylinder; 4. a positioning mechanism; 41. positioning blocks; 411. positioning a groove; 42. a vertical plate; 43. a compaction hydraulic cylinder; 44. a compression block; 5. a sliding seat; 6. a clamping mechanism; 61. a lifting hydraulic cylinder; 62. a bidirectional hydraulic cylinder; 63. a clamping block; 7. a power mechanism; 71. a vertical plate; 72. a screw rod; 73. a power motor; 8. welding a manipulator; 9. a discharging mechanism; 91. a discharge plate; 92. and a collection box.
Detailed Description
Example (b): a forklift outer gantry welding device comprises a base 2, a plurality of sliding seats 5, a clamping mechanism 6, a power mechanism 7, a plurality of positioning mechanisms 4, a plurality of welding manipulators 8, a feeding mechanism 3 and a discharging mechanism 9, wherein the base 2 is arranged in the length direction along the conveying direction of an outer gantry, the sliding seats 5 are arranged at the top of the base 2 and can slide along the length direction of the base 2, the clamping mechanism 6 is arranged at the top of the sliding seats 5 and is used for clamping the outer gantry, the power mechanism 7 is arranged on the base 2 and is used for driving the base 2 to slide, the positioning mechanisms 4 are arranged on the base 2, the welding manipulators 8 are arranged on one side of the base 2 and correspond to the positioning mechanisms 4 one by one; a plurality of positioning mechanism 4 are arranged along the length direction of base 2, and a plurality of sliding seat 5 are arranged along the length direction of base 2, and the quantity of sliding seat 5 is one more than the quantity of positioning mechanism 4.
In the initial position, one of the sliding seats 5 is located in the feeding mechanism 3, and the other sliding seats 5 are respectively located in the plurality of positioning mechanisms 4. When feeding, the sliding seat 5 is at an initial position, the forklift outer portal frame after spot welding is placed on the feeding mechanism 3, the clamping mechanism 6 at the top of the sliding seat 5 in the feeding mechanism 3 clamps the forklift outer portal frame on the feeding mechanism 3, then the power mechanism 7 drives all the sliding seats 5 to simultaneously slide towards the direction close to the discharging mechanism 9, at the moment, the sliding seat 5 close to the discharging mechanism 9 is positioned in the discharging mechanism 9, the sliding seat 5 which clamps the forklift outer portal frame from the feeding mechanism 3 is positioned in the positioning mechanism 4 closest to the clamping mechanism 6 and places the forklift outer portal frame in the positioning mechanism 4, then the sliding seat 5 returns to the initial position to weld the forklift outer portal frame, when feeding every time, the clamping mechanism 6 conveys the forklift outer portal frame on the positioning mechanism 4 in the previous process to the next process, the sliding seat 5 close to the discharging mechanism 9 conveys the forklift outer portal frame which is fully welded to the discharging mechanism 9, the synchronous operation of feeding, feeding and discharging is realized.
The feeding mechanism 3 comprises two feeding plates 31 fixedly connected to the top of the base 2 and a feeding table 32 arranged on one side of the two feeding plates 31 away from the positioning mechanism 4, the top of the feeding table 32 is flush with the top of the feeding plates 31, and the top of the feeding table 32 is horizontally arranged; feed chute 311 has been seted up to one side that two feed plates 31 tops are close to each other, the length direction of feed chute 311 is parallel to each other with the length direction of base 2, the length of feed chute 311 equals portal frame 1's length, be provided with two welts 33 among two feed chutes 311, the top of welt 33 and the top of feed plate 31 are parallel and level each other, two welts 33 slide along the direction that is close to each other and keeps away from in the middle of the feed chute 311, one side fixedly connected with that two feed plates 31 deviate from each other is used for driving welt 33 and slides feeding pneumatic cylinder 34, the piston rod fixed connection of feeding pneumatic cylinder 34 is on feed plate 31. The top of the feeding plate 31 is fixedly connected with a limiting block, and one side of the limiting block, which is close to the feeding table 32, is flush with one side of the feeding groove 311, which is far away from the feeding table 32; the top of the feeding table 32 is fixedly connected with two positioning plates 321, the length directions of the two positioning plates 321 are parallel to the length direction of the base 2, when the outer gantry of the forklift is positioned between the two positioning plates 321, the side, away from each other, of the frame body 1 of the two gantries of the outer gantry of the forklift is flush with the side, close to each other, of the positioning plates 321; the distance between the top of the positioning plate 321 and the top of the feed table 32 is smaller than the distance between the bottom of the upper beam 11 and the bottom of the gantry frame 1. When the gantry frame 1 falls from the liner plate 33 into the feed chute 311, the sides of the liner plates 33 adjacent to each other are flush with the sides of the positioning plates 321 adjacent to each other.
During feeding, place the fork truck outer mast at feeding table 32 top for two portal frame 1 of fork truck outer mast contact each other with one side that two locating plates 321 are close to each other respectively, then promote the fork truck outer mast orientation and be close to the direction of positioning mechanism 4 and slide, until portal frame 1 and stopper contact, then two welts 33 orientation slide each other in the direction that deviates from, fall into in the middle of the constant head tank 411 until portal frame 1.
When the outer portal of fork truck was placed on two locating pieces 41, two portal frame 1 were located respectively in the middle of two constant head tanks 411 to portal frame 1 deviates from 3 one end of feed mechanism and laminates each other with constant head tank 411. The pressure block 44 is then moved in the direction away from the pressure cylinder 43, pressing the gantry 1 against the top of the positioning block 41 by means of the inclined surface of the pressure block 44.
The clamping mechanism 6 comprises a lifting hydraulic cylinder 61 fixedly connected to the top of the sliding seat 5, a bidirectional hydraulic cylinder 62 fixedly connected to a piston rod of the lifting hydraulic cylinder 61, and two clamping blocks 63 fixedly connected to two piston rods of the bidirectional hydraulic cylinder 62 respectively, the clamping blocks 63 are located on two sides of the bidirectional hydraulic cylinder 62 close to the two positioning blocks 41 respectively, the clamping blocks 63 can be inserted into grooves of the two gantry frame bodies 1 respectively, and the top and the bottom of the clamping blocks 63 inserted into the gantry frame bodies 1 are in mutual contact with the gantry frame bodies 1.
When the clamping mechanism 6 clamps the outer gantry of the forklift, the two clamping blocks 63 are respectively inserted into the grooves of the two gantry frame bodies 1, then the lifting hydraulic cylinder 61 drives the outer gantry of the forklift to move upwards to separate from the positioning groove 411, and then the outer gantry of the forklift is driven to move to the next station.
The power mechanism 7 comprises two vertical plates 71 fixedly connected to two ends of the top of the base 2, a screw rod 72 with two ends respectively rotatably connected to the two vertical plates 71 and penetrating through the plurality of sliding seats 5, and a power motor 73 for driving the screw rod 72 to rotate; the axial direction of the screw rod 72 is parallel to the length direction of the base 2, the output shaft of the power motor 73 is coaxial with the screw rod 72, and the output shaft of the power motor 73 is fixedly connected to one end of the screw rod 72. The bottom of sliding seat 5 and the top of base 2 contact each other, and the both sides of sliding seat 5 are parallel and level each other with the one side that two locating pieces 41 are close to each other respectively, and the one side that two locating pieces 41 are close to each other is parallel and level each other with the one side that two feed plates 31 are close to each other respectively. The power motor 73 drives the screw rod 72 to rotate, and the screw rod 72 drives the sliding seats 5 to slide simultaneously in the rotating process.
The discharging mechanism 9 comprises two discharging plates 91 and a collecting box 92 arranged on one side of the two discharging plates 91 departing from the positioning block 41, the top of the discharging plate 91 is provided with an inclined plane, and the inclined plane is inclined downwards on one side departing from the positioning block 41. When the outer gantry of the full-length welding forklift is placed at the top of the discharging plate 91, the outer gantry of the full-length welding forklift can slide downwards along the inclined plane at the top of the discharging plate 91 under the action of the gravity of the outer gantry of the full-length welding until the outer gantry of the full-length welding slides into the collecting box 92.
The working principle of the welding equipment for the outer door frame of the forklift when in use is as follows: during feeding, the outer forklift gantry is placed at the top of the feeding table 32, so that two gantry frame bodies 1 of the outer forklift gantry are respectively contacted with the mutually adjacent sides of the two positioning plates 321, then the outer forklift gantry is pushed to slide towards the direction close to the positioning mechanism 4 until the gantry frame bodies 1 are contacted with the limiting blocks, and then the two lining plates 33 slide towards the mutually deviated directions until the gantry frame bodies 1 fall into the positioning grooves 411; the sliding seat 5 slides to an initial position, the clamping mechanism 6 positioned at the top of the sliding seat 5 in the feeding mechanism 3 clamps the outer portal frame of the forklift on the feeding mechanism 3, then the power mechanism 7 drives all the sliding seats 5 to simultaneously slide towards the direction close to the discharging mechanism 9, at the moment, the sliding seat 5 close to the discharging mechanism 9 is positioned in the discharging mechanism 9, the sliding seat 5 which clamps the outer portal frame of the forklift from the feeding mechanism 3 is positioned in the positioning mechanism 4 closest to the clamping mechanism 6 and places the outer portal frame of the forklift in the positioning mechanism 4, then the sliding seat 5 returns to the initial position to weld the outer portal frame of the forklift, when feeding every time, the clamping mechanism 6 conveys the outer portal frame of the forklift on the positioning mechanism 4 in the previous process to the next process, and the sliding seat 5 close to the discharging mechanism 9 conveys the outer portal frame of the forklift which is fully welded to the discharging mechanism 9, the synchronous operation of feeding, feeding and discharging is realized.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a fork truck outer mast welding equipment which characterized in that: the automatic feeding device comprises a base (2) arranged along the conveying direction of an outer door frame in the length direction, a plurality of sliding seats (5) arranged at the top of the base (2) and capable of sliding along the length direction of the base (2), a clamping mechanism (6) arranged at the top of the sliding seats (5) and used for clamping the outer door frame, a power mechanism (7) arranged on the base (2) and used for driving the base (2) to slide, a plurality of positioning mechanisms (4) arranged on the base (2), a plurality of welding manipulators (8) arranged on one side of the base (2) and corresponding to the positioning mechanisms (4) one by one, a feeding mechanism (3) arranged at the feeding end of the base (2) and a discharging mechanism (9) arranged at the discharging end of the base (2);
the number of the sliding seat (5) is one more than that of the positioning mechanisms (4), each positioning mechanism (4) comprises two positioning blocks (41) which are fixedly connected to the top of the base (2) and are respectively positioned on two sides of the sliding seat (5), one sides, close to each other, of the tops of the two positioning blocks (41) are provided with positioning grooves (411), the distance between the bottoms of the positioning grooves (411) and the tops of the positioning blocks (41) is equal to the thickness of the gantry frame body (1), and the positioning grooves (411) penetrate through the positioning blocks (41) in the direction deviating from the feeding mechanism (3);
the clamping mechanism (6) comprises a lifting hydraulic cylinder (61) fixedly connected to the top of the sliding seat (5), a bidirectional hydraulic cylinder (62) fixedly connected to a piston rod of the lifting hydraulic cylinder (61) and two clamping blocks (63) fixedly connected to two piston rods of the bidirectional hydraulic cylinder (62) respectively, the clamping blocks (63) are located on two sides, close to the two positioning blocks (41), of the bidirectional hydraulic cylinder (62), and the clamping blocks (63) can be inserted into grooves of the two gantry frame bodies (1) respectively and are in contact with the gantry frame bodies (1) at the top and the bottom of the clamping blocks (63) inserted into the gantry frame bodies (1).
2. The welding equipment for the outer mast of the forklift truck according to claim 1, wherein: positioning mechanism (4) still include two risers (42) at two locating piece (41) tops of fixed connection, fixed connection is in two risers (42) each other deviate from the compressing cylinder (43) of one side and set up two compact heap (44) that are close to one side each other in two risers (42), compact heap (44) are used for compressing tightly portal frame (1) on locating piece (41), two risers (42) are located one side that two constant head tanks (411) deviate from each other, two compact heap (44) fixed connection respectively are on the piston rod of two compressing cylinders (43) and two compact heap (44) can slide along the horizontal direction, the sliding direction of compact heap (44) and the length direction mutually perpendicular of base (2).
3. The welding equipment for the outer mast of the forklift truck according to claim 2, wherein: one side that compact heap (44) bottom deviates from to compress tightly pneumatic cylinder (43) is provided with the inclined plane, and the inclined plane deviates from one side tilt up setting that compresses tightly pneumatic cylinder (43), and when portal frame (1) was embedded into constant head tank (411), the height that highly is higher than portal frame (1) top at inclined plane top, the height that highly is less than portal frame (1) top at inclined plane bottom.
4. The forklift outer mast welding apparatus according to claim 3, characterized in that: the top of each locating block (41) is provided with two vertical plates (42), the vertical plates (42) are provided with pressing hydraulic cylinders (43) and pressing blocks (44), and when the portal frame body (1) is embedded into the locating groove (411), the two pressing blocks (44) above the locating blocks (41) are respectively located on two sides of the middle cross beam (12).
5. The welding equipment for the outer mast of the forklift truck according to claim 1, wherein: feed mechanism (3) include two feed plates (31) and set up feed table (32) that deviate from positioning mechanism (4) one side in two feed plates (31), the top of feed table (32) and the top of feed plate (31) are parallel and level each other with the top of locating piece (41), feed chute (311) have been seted up to one side that two feed plate (31) tops are close to each other, the length direction of feed chute (311) is parallel to each other with the length direction of base (2), the length of feed chute (311) equals the length of portal frame body (1), be provided with two welt (33) in the middle of two feed chutes (311), the top of welt (33) and the top of feed plate (31) are parallel and level each other, two welt (33) slide along the direction that is close to each other and keep away from in the middle of feed chute (311), one side fixedly connected with that two feed plates (31) deviate from each other is used for driving welt (33) to slide feeding pneumatic cylinder (34).
6. The welding equipment for the outer mast of the forklift truck according to claim 1, wherein: the top of the feeding plate (31) is fixedly connected with a limiting block, and one side of the limiting block, which is close to the feeding table (32), is flush with one side of the feeding groove (311), which deviates from the feeding table (32).
7. The welding equipment for the outer mast of the forklift truck according to claim 1, wherein: the discharging mechanism (9) comprises two discharging plates (91) and a collecting box (92) arranged on one side, away from the positioning block (41), of the two discharging plates (91), an inclined plane is arranged at the top of each discharging plate (91), and the inclined plane is arranged on one side, away from the positioning block (41), of the inclined plane in a downward inclined mode.
8. The welding equipment for the outer mast of the forklift truck according to claim 1, wherein: the power mechanism (7) comprises two vertical plates (71) fixedly connected to two ends of the top of the base (2), a screw rod (72) with two ends respectively rotatably connected to the two vertical plates (71) and penetrating through the sliding seats (5), and a power motor (73) for driving the screw rod (72) to rotate; the axial direction of the screw rod (72) is parallel to the length direction of the base (2).
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| CN202010323703.3A CN111496422B (en) | 2020-04-22 | 2020-04-22 | Welding equipment for outer portal frame of forklift |
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| CN202010323703.3A CN111496422B (en) | 2020-04-22 | 2020-04-22 | Welding equipment for outer portal frame of forklift |
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| CN111496422B CN111496422B (en) | 2021-10-08 |
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| CN114669828A (en) * | 2021-12-27 | 2022-06-28 | 浙江尤恩智能科技有限公司 | Welding equipment for forklift gantry |
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